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This is an automatically generated e-mail. To reply, visit:
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37979#file37979line375" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/parking/parking_bridge_features.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int feature_park(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, void *hook_pvt)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">trim_peername_extra</span><span class="p">(</span><span class="kt">char</span> <span class="o">*</span><span class="n">peername</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="kt">char</span> <span class="o">*</span><span class="n">dash</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/* Truncate after the dash */</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">dash</span> <span class="o">=</span> <span class="n">strrchr</span><span class="p">(</span><span class="n">peername</span><span class="p">,</span> <span class="sc">'-'</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">dash</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="o">*</span><span class="n">dash</span> <span class="o">=</span> <span class="sc">'\0'</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="p">}</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I wouldn't use the term peer. "extra" also doesn't provide much context to what you're removing here. The first thing I thought of was "What, SIP?"
You're trimming the random characters off of the parker's channel name - I'd name it to reflect that purpose (I'm also surprised we don't have a general utility function for this already)</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37979#file37979line421" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/parking/parking_bridge_features.c</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int parking_duration_callback(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, void *hook_pvt)</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">peername</span> <span class="o">=</span> <span class="n">ast_strdupa</span><span class="p">(</span><span class="n">user</span><span class="o">-></span><span class="n">parker</span><span class="o">-></span><span class="n">name</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">peername</span> <span class="o">=</span> <span class="n">ast_strdupa</span><span class="p">(</span><span class="n">user</span><span class="o">-></span><span class="n">parker</span><span class="o">-></span><span class="n">name</span><span class="p">);</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="hl"><span class="tb"> </span></span><span class="n"><span class="hl">flatten</span>_peername</span><span class="p">(</span><span class="n">peername</span><span class="p">);</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n"><span class="hl">trim</span>_peername<span class="hl">_extra</span></span><span class="p">(</span><span class="n">peername</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">peername_flat</span> <span class="o">=</span> <span class="n">ast_strdupa</span><span class="p">(</span><span class="n">user</span><span class="o">-></span><span class="n">parker</span><span class="o">-></span><span class="n">name</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">flatten_peername</span><span class="p">(</span><span class="n">peername_flat</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">pbx_builtin_setvar_helper</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="s">"PARKER"</span><span class="p">,</span> <span class="n">peername</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">pbx_builtin_setvar_helper</span><span class="p">(</span><span class="n">chan</span><span class="p">,</span> <span class="s">"PARKER"</span><span class="p">,</span> <span class="n">peername</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">You changed the PARKER variable here. Previously it was the flattened peername; now it's the trimmed version.
Since this was missed here, you may be better off introducing your own trimmed variable as opposed to repurposing an existing one.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37979#file37979line437" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/parking/parking_bridge_features.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">static int parking_duration_callback(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel, void *hook_pvt)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_add_extension</span><span class="p">(</span><span class="n">PARK_DIAL_CONTEXT</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">peername_flat</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This can fail</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line582" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">const char *find_channel_parking_lot_name(struct ast_channel *chan)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">const</span> <span class="kt">char</span> <span class="o">*</span><span class="n">base_registrar</span> <span class="o">=</span> <span class="s">"res_parking"</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This should be a #define.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line617" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="nf">remove_parking_lot_extensions</span><span class="p">(</span><span class="k">struct</span> <span class="n">parking_lot</span> <span class="o">*</span><span class="n">lot</span><span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">ast_context_destroy</span><span class="p">(</span><span class="nb">NULL</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">registrar</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">620</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I'm not sure you're getting a lot by having this be a separate function. It only wraps ast_context_destroy, and as other findings point out, sometimes you don't want to remove all contexts associated with a lot's registrar.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line625" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">625</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="kt">char</span> <span class="n">parkedcall_buf</span><span class="p">[</span><span class="n">strlen</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">name</span><span class="p">)</span> <span class="o">+</span> <span class="mi">15</span><span class="p">];</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Why +15?
If you are using an explicit buffer length in order to store additional data, you should have a comment stating what you expect to store in the buffer.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line630" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">630</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="cm">/* If there are already extensions in here, clear them out. */</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">631</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">remove_parking_lot_extensions</span><span class="p">(</span><span class="n">lot</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">632</font></th>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">633</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">if</span> <span class="p">(</span><span class="n">ast_strlen_zero</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">634</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="cm">/* No parkext specified means we intend for the user to configure their own extensions */</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">635</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="k">return</span><span class="p">;</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">636</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">remove_parking_lot_extensions will remove all contexts registered by the parking lot, including their extensions.
How is their user going to configure their own extensions if you've destroyed all contexts that they will reside in?</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line631" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">631</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">remove_parking_lot_extensions</span><span class="p">(</span><span class="n">lot</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This will blow away all contexts registered by this lot's registrar. If a registrar has multiple lots, this will destroy all prior lots created.
So, if res_parking has two parking lots defined for it, creation of the second parking lot will remove the first.
You should remove only the lot being created.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line649" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">649</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">ast_add_extension</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parking_con</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">650</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="nb">NULL</span><span class="p">,</span> <span class="n">PARK_APPLICATION</span><span class="p">,</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">651</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext_exclusive</span> <span class="o">?</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">name</span><span class="p">)</span> <span class="o">:</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="s">""</span><span class="p">),</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">652</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_free_ptr</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">registrar</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Failed to create parking extension %s@%s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">654</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parking_con</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">655</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">If this fails, we should:
* Dispose of the parking lot we're attempting to create
* Fail and return</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line665" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="n">ast_add_extension</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parking_con</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">space</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="n">PARKED_CALL_APPLICATION</span><span class="p">,</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">666</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext_exclusive</span> <span class="o">?</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="n">parkedcall_buf</span><span class="p">)</span> <span class="o">:</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="n">space</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">667</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_free_ptr</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">registrar</span><span class="p">))</span> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">668</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_log</span><span class="p">(</span><span class="n">LOG_ERROR</span><span class="p">,</span> <span class="s">"Failed to created parked call extension %s@%s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">space</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parking_con</span><span class="p">);</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">669</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="k">continue</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same here. This feels like a serious error.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line666" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parkext_exclusive</span> <span class="o">?</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="n">parkedcall_buf</span><span class="p">)</span> <span class="o">:</span> <span class="n">ast_strdup</span><span class="p">(</span><span class="n">space</span> <span class="o">-</span> <span class="mi">1</span><span class="p">),</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">ast_strdup can fail. Passing a memory allocation into a function call that can technically fail and not checking its return is bad.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line678" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">ast_add_extension</span><span class="p">(</span><span class="n">lot</span><span class="o">-></span><span class="n">cfg</span><span class="o">-></span><span class="n">parking_con</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">exten</span><span class="p">,</span> <span class="n">PRIORITY_HINT</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="tb"> </span><span class="n">device</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="nb">NULL</span><span class="p">,</span> <span class="n">lot</span><span class="o">-></span><span class="n">registrar</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This can fail. Check for failure and clean up appropriately if it does.
If you configure Asterisk to add hints and it can't do so, that should be treated as an error.</pre>
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<a href="https://reviewboard.asterisk.org/r/2545/diff/1/?file=37982#file37982line722" style="color: black; font-weight: bold; text-decoration: underline;">/team/jrose/bridge_projects/res/res_parking.c</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">struct parking_lot *parking_lot_build_or_update(struct parking_lot_cfg *lot_cfg)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="n">create_parking_lot_extensions</span><span class="p">(</span><span class="n">lot</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">return</span> <span class="n">lot</span><span class="p">;</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="tb"> </span><span class="k">return</span> <span class="n">lot</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">create_parking_lot_extensions has multiple paths where it fails (for example, if the context can't be created). In such a case, it feels odd to let the lot succeed. We should probably allow that function to return success/failure, and, if it fails, destroy the lot.
Also, you should probably create the extensions before linking it into the parking lot container. Otherwise, entities can technically look up the parking lot but won't have the dialplan support they may be epecting.</pre>
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<p>- Matt</p>
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<p>On May 15th, 2013, 7:53 p.m. UTC, jrose wrote:</p>
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<div>Review request for Asterisk Developers, Matt Jordan and rmudgett.</div>
<div>By jrose.</div>
<p style="color: grey;"><i>Updated May 15, 2013, 7:53 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://issues.asterisk.org/jira/browse/ASTERISK-21645">ASTERISK-21645</a>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
Asterisk
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Extension generation and removal for:
Park a call to the parkext in the parking context
Retrieve parked calls from the space numbers in the parking context
Hints for ParkedCall extensions
Extension generation (but no removal yet) for:
Dial the peer which parked the call on parking timeout in the park-dial context
Extension removal for the park-dial extensions will eventually be handled when reloads are implemented. Since they can't reliably be said to belong to
the parking lot, they are registered to the base registrar for the parking system instead.
Applying bridge features in the way features.c did (as arguments to dial) is no longer necessary on account of how features are handled now.
Each parking lot has its own registrar which is 'res_parking/<parking lot name>'
The registrar used for non-lot-specific extensions is just 'res_parking'
When a parking lot is destroyed or reloaded, all of its registered extensions are flushed and rebuilt.
Note: ParkedCall extensions no longer belong to the parked user involved with them unlike how old parking works. This means that if a parking lot is reloaded and the new configuration specifies that the slot the old call was parked at no longer exists, the extension to retrieve that call will go away even though the call is still parked there. This will resolve itself when the parked call times out (provided timeout hasn't been disabled), and manually created ParkedCall extensions can still retrieve that call if the parking space option isn't provided.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Checked that extensions are generated and destroyed for Park and ParkedCall as expected with multiple parking lots.
Overlaps are currently allowed. If two parking lots occupy the same space and parkext exclusive is in use, it's possible for one parking lot's extensions to be overwritten in favor of another. When parking lot extensions are overwritten by other parking lot extensions, warnings are issued.
Checked that extensions are generated and appropriately called in park-dial when a parked call times out.
Checked that the timeout is set to the parking lot's parkdialtimeout value.</pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/team/jrose/bridge_projects/res/parking/parking_bridge_features.c <span style="color: grey">(388603)</span></li>
<li>/team/jrose/bridge_projects/res/parking/parking_controller.c <span style="color: grey">(388603)</span></li>
<li>/team/jrose/bridge_projects/res/parking/res_parking.h <span style="color: grey">(388603)</span></li>
<li>/team/jrose/bridge_projects/res/res_parking.c <span style="color: grey">(388603)</span></li>
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<p><a href="https://reviewboard.asterisk.org/r/2545/diff/" style="margin-left: 3em;">View Diff</a></p>
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